bug70166.phpt   [plain text]

--TEST--
SPL: Bug #70166 Use After Free Vulnerability in unserialize() with SPLArrayObject
--FILE--
<?php
$inner = 'x:i:1;a:0:{};m:a:0:{}';
$exploit = 'a:2:{i:0;C:11:"ArrayObject":'.strlen($inner).':{'.$inner.'}i:1;R:5;}';

$data = unserialize($exploit);

for($i = 0; $i < 5; $i++) {
    $v[$i] = 'hi'.$i;
}

var_dump($data);
?>
===DONE===
--EXPECTF--
array(2) {
  [0]=>
  object(ArrayObject)#%d (1) {
    ["storage":"ArrayObject":private]=>
    array(0) {
    }
  }
  [1]=>
  array(0) {
  }
}
===DONE===